Product Description - Ef-Chlor,Overhead and Underground Water Tank Cleaning and Purification Tablets, Kills 99.99% Bacteria and Viruses from the water, 1 Tablet purifies 50,000 L water - Jar of 1 kg Product origin - India Key Specifications/Special Features - Ef-Chlor Water purification tablets are safer than iodine tablets and leave virtually no taste in your water. Works in 30 minutes in most water..are effervescent tablets which kill micro-organisms in water to prevent cholera, typhoid, dysentery and other water borne disease Minimum Order Size and Packaging details - " Minimum Order Size: 5000 jars Packing: Jar of 1 Kg"